Punching tool for building repair

The utility model discloses a punching tool for building repair, which comprises a mounting box, a fixing plate is fixedly arranged in the mounting box, a motor is fixedly arranged at the right end of the fixing plate, a drill bit is fixedly arranged at the rotating end of the motor, the size of the drill bit outside the mounting box is long enough, and a limiting device is arranged on the drill bit. Fixing devices are arranged at the top end and the bottom end of the mounting box, and a handle is arranged outside the mounting box. Compared with the prior art, the punching device has the advantages that operation is easy, the punching depth can be determined in advance through the limiting circular ring, and positioning can be achieved. 本实用新型公开了一种用于建筑修缮用打孔工具，包括安装箱，安装箱的内部固定设有固定板，固定板的右端固定设有电机，电机的旋转端固定设有钻头，钻头位于安装箱的外部的尺寸足够长，钻头上设有限位装置，安装箱的顶端和底端设有固定装置，安装箱的外部设有把手。本实用新型与现有的技术相比的优点在于：本实用新型简单操作、能够通过限位圆环来提前确定打孔的深度和可以定位。